57660638071 has 4 divisors (see below), whose sum is σ = 57662835832. Its totient is φ = 57658440312.

The previous prime is 57660637997. The next prime is 57660638081. The reversal of 57660638071 is 17083606675.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57660638071 - 2¹³ = 57660629879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57660638081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1059045 + ... + 1112158.

It is an arithmetic number, because the mean of its divisors is an integer number (14415708958).

Almost surely, 2^57660638071 is an apocalyptic number.

57660638071 is a deficient number, since it is larger than the sum of its proper divisors (2197761).

57660638071 is a wasteful number, since it uses less digits than its factorization.

57660638071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2197760.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The spelling of 57660638071 in words is "fifty-seven billion, six hundred sixty million, six hundred thirty-eight thousand, seventy-one".